body {
    background-color: #e7f0f3;
}

.first {
    width: 222px;
    /* top: 200px; */
    margin: 150px auto auto;
}

button {
    display: block;
    margin: 25px auto auto;
    width: 70px;
    height: 30px;
    background-color: #93e3e5;
    border: none;
    border-radius: 6px;
}

.return {
    width: 65px;
    height: 25px;
    border-radius: 10px;
    text-align: center;
    line-height: 25px;
    background-color: #93e3e5;
}